syntax = "proto3";

package xos;

import "google/protobuf/empty.proto";
import "annotations.proto";

// This API is used by the UI to validate fields.

message FieldValidator {
    string name = 1;
    oneof val_value {
        bool bool_value = 2;
        int64 int_value = 3;
        string str_value = 4;
    };
};

message FieldOption {
    string id = 1;
    string label = 2;
}

message FieldRelation {
    string model = 1;
    string type = 2;
    string on_field = 3;
};

message ModelField {
    string name = 1;
    string hint = 2;
    string type = 3;
    FieldRelation relation = 4;
    repeated FieldValidator validators = 5;
    repeated FieldOption options = 6;
    string default = 7;
    bool read_only = 8;
};

message ModelDef {
    string name = 1;
    repeated ModelField fields = 2;
    repeated FieldRelation relations = 3;
    string app = 4;
    string verbose_name = 5;
    string description = 6;
};

message ModelDefs {
    repeated ModelDef items = 1;
};

service modeldefs {

  rpc ListModelDefs(google.protobuf.Empty) returns (ModelDefs) {
        option (googleapi.http) = {
            get: "/xosapi/v1/modeldefs"
        };
  }
};